Year	% of total population
1960	47.6384437428253
1961	47.7281813848769
1962	47.8173386670739
1963	47.9030598745604
1964	47.9872238020359
1965	48.0703022797726
1966	48.1490990955454
1967	48.2247491770518
1968	48.2971289989239
1969	48.3692234748069
1970	48.441892240072
1971	48.5110483453952
1972	48.5773702259024
1973	48.6406311001493
1974	48.7004115984244
1975	48.7561055233325
1976	48.807468885184
1977	48.8537282592697
1978	48.8917154509838
1979	48.9224610263547
1980	48.9505440749057
1981	48.9780085037202
1982	49.0037823245696
1983	49.0252487938467
1984	49.0415250624844
1985	49.0584566037463
1986	49.0785655873315
1987	49.0991806622907
1988	49.1233382398962
1989	49.1513109276098
1990	49.1798156355443
1991	49.2087731714404
1992	49.2385179463144
1993	49.282839082742
1994	49.325893229456
1995	49.3617228183328
1996	49.407481793593
1997	49.4564293303331
1998	49.4985482633153
1999	49.5332387923322
2000	49.5643555329841
2001	49.5943242696485
2002	49.6272025165428
2003	49.6610615614565
2004	49.695638284316
2005	49.7063778411688
2006	49.717868129637
2007	49.7544971467181
2008	49.7861722754551
2009	49.8113930379392
2010	49.8349727018932
2011	49.8583028834983
2012	49.8856509805496
2013	49.9151592873225
2014	49.9431833383515
2015	49.9690152086619
2016	49.9930950787672
2017	50.0156638321727
2018	50.036794377675
2019	50.0561655868576
2020	50.0728815182768
2021	50.0866630068182
2022	50.0963313937744
2023	50.1043256722829